TEA1521P View Datasheet(PDF) - Philips Electronics

Part Name

Description

View to exact match

TEA1521P

STARplug™

Philips Electronics 

Philips Semiconductors

STARplugTM

Product specification

TEA152x family

handbook, full pagewidth

primary

stroke

secondary

stroke

secondary

ringing

drain

valley

secondary

stroke

RC

oscillator

regulation level

A

B

MGT423

A: Start of new cycle with valley switching.

B: Start of new cycle in a classical PWM system.

Fig.5 Signals for valley switching.

2000 Sep 08

handbook,4h0alfpage

phase

(°)

20

MGT424

0

− 20

− 40

0

200

400

600

800

f (kHz)

Fig.6 Typical phase of drain ringing at switch-on (at N × Vo = 80 V).

7

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